The All New Atom #15 (2007)

Countdown - Hunt For Ray Palmer, Part Four: Loss Leader
Ryan is pulled from the nanoverse by his school's Dean who is clearly not all he seems, to help save Ivy Town from two rampaging giant lizards.Once the threat is neutralised, Dean Mayland attempts to convince Ryan that Ray Palmer never wanted Ryan as a successor, only as a teen sidekick which rattles the young hero.
Release Date: 2007